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File: InternalFunctionCPP11.cpp
// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*- // // InternalFunction.cpp: Rcpp R/C++ interface class library -- InternalFunction unit tests // // Copyright (C) 2014 Christian Authmann // // This file is part of Rcpp. // // Rcpp is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 2 of the License, or // (at your option) any later version. // // Rcpp is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Rcpp. If not, see <http://www.gnu.org/licenses/>. #include <Rcpp.h> int add(int a, int b) { return a + b; } // [[Rcpp::export]] Rcpp::InternalFunction getAdd4() { std::function<int(int)> func = std::bind(add, 4, std::placeholders::_1); return Rcpp::InternalFunction( func ); } // [[Rcpp::export]] Rcpp::InternalFunction getConcatenate() { std::function<std::string(std::string,std::string)> func = [] (std::string a, std::string b) -> std::string { return a + b; }; return Rcpp::InternalFunction( func ); }